1. Different appearance
The appearance of citrus is oblate to nearly spherical, and the peel is very thin and smooth, or thick and rough, light yellow, vermilion or dark red.
The appearance of citrus fruits is larger than that of oranges, and is approximately spherical. The skin is orange-yellow, the cortex is thick, and the surface is uneven.
2. Internal differences
Citrus is very easy or slightly easy to peel off, and tangerine has more or less network, which is reticular and easy to separate.
Citrus is not easy to peel, has more veins, juicy and sweet flesh, white core and green kernel.
3. Different effects
Eating raw citrus is beneficial to qi, strengthens the body, aids digestion, strengthens the spleen and stomach, and lowers blood pressure. It is useful in preventing and treating purulent pharyngitis, tonsillitis, diabetes, and viral colds. It has a certain effect.
Citrus contains a large amount of citric acid, which has a protective effect on vitamin C. Therefore, after being processed into juice, most of the vitamin C, which is most easily destroyed, can be preserved. Traditional Chinese medicine believes that orange peel can regulate qi, resolve phlegm, relieve cough, and strengthen the spleen and stomach.
Extended information:
Citrus fruits contain a large amount of antioxidant substances, which not only help the body to supplement nutrients, but also resist oxidation and the invasion of bacteria. These mainly include:
1. Fruit acids and vitamin A and vitamin B family: nourish the epithelial cells of the skin, enhance the skin's resistance, retain moisture, reduce dry skin, and rejuvenate and beautify the skin;
2. Vitamin C: The content is higher than that of apples, pears, and peaches. One orange almost meets the vitamin C content required by the human body in a day. Its sufficient nutrients can help the skin resist oxidation, promote the formation of collagen, make the skin more elastic, remove freckles and inhibit pigment production;
3. Vitamin P: This name is rarely mentioned. It is also called rutin. It has a high content in oranges. It can prevent vitamin C from being oxidized and destroyed. It also helps the absorption of vitamin C and enhances vitamin C. effect. However, it cannot be synthesized in the body itself and can only be ingested from food.
Reference: People's Daily Online - Why are citrus fruits so popular